4406804509 has 2 divisors, whose sum is σ = 4406804510. Its totient is φ = 4406804508.

The previous prime is 4406804477. The next prime is 4406804513. The reversal of 4406804509 is 9054086044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4406038884 + 765625 = 66378^2 + 875^2 .

It is a cyclic number.

It is not a de Polignac number, because 4406804509 - 2⁵ = 4406804477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4406804009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2203402254 + 2203402255.

It is an arithmetic number, because the mean of its divisors is an integer number (2203402255).

Almost surely, 2^4406804509 is an apocalyptic number.

It is an amenable number.

4406804509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4406804509 is an equidigital number, since it uses as much as digits as its factorization.

4406804509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 4406804509 is about 66383.7669087858. The cubic root of 4406804509 is about 1639.4868150667.

The spelling of 4406804509 in words is "four billion, four hundred six million, eight hundred four thousand, five hundred nine".